The Nikon Small World prize has recognised microscope photography at its very best since 1974, rewarding scientist photographers for showing the world its tiniest pieces. Here are our favourites from this year's competition. Joanna Carver

No, this ant isn't having lunch, it's carrying its larva. Many ants live in complex societies. This one comes from the genus Myrmica, which is widespread in the mountains of south-east Asia. The image came ninth and was made by Geir Drange.